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Methimazole ( Topi – Click ) Transdermal Gel Pen – prescribed to treat hyperthyroidism in cats and dogs. Each 9ml Topi Click pen contains 180 clicks (20 clicks per ml). Topi Click pens have a refill badge that is displayed when 32 clicks remain in the pen. Topi click pens have a rubberized tip allowing for easy administration of medication.
How do I place an order?
Sign in to your clinic account and use Submit Rx. New clinics are verified in under 24 hours — your rep will call to confirm.
Auto-Order sends your standing order automatically on the schedule you set. Modify, pause, or cancel anytime from your dashboard.
Yes — direct-to-client is our preferred workflow. Submit the Rx, your client completes checkout on PetScript Pharmacy, and we ship to them with full tracking visible to you.
Yes — send your current invoice to your rep and we’ll match or beat it before your next order. No minimums, no contracts.

Methimazole Transdermal Gel Pen

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Direct-to-client shipping

48-hour turnaround standard

Price matching available

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How do I place an order?
Sign in to your clinic account and use Submit Rx. New clinics are verified in under 24 hours — your rep will call to confirm.
Auto-Order sends your standing order automatically on the schedule you set. Modify, pause, or cancel anytime from your dashboard.
Yes — direct-to-client is our preferred workflow. Submit the Rx, your client completes checkout on PetScript Pharmacy, and we ship to them with full tracking visible to you.
Yes — send your current invoice to your rep and we’ll match or beat it before your next order. No minimums, no contracts.